SCP: Unstable Dimension
A downloadable game for Windows, Linux, and Android
You need to escape from this facility-like structure by enabling generators. But the Chaos and other threats won't let you go so easily...
This game is licensed under GNU GPL v3, as it is required for CC-BY-SA asset license.
The source code is here https://github.com/Yni-Viar/scp-unstable-dimension